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정종철,김건중,최재선,성대경,김호성,이계혁,Jeong, Jong-Cheol,Kim, Keon-Jung,Choi, Jae-Sun,Sung, Dae-Kyung,Kim, Ho-Sung,Lee, Gye-Hyeok 대한악안면성형재건외과학회 1998 Maxillofacial Plastic Reconstructive Surgery Vol.20 No.2
Compound comminuted mandibular fracture is defined as the presence of multiple fracture lines with open wound resulting in many small pieces within the same area. The incidence of mandibular comminution is difficult to determine but reported as 2.7~18.6 % incidence among mandibular fractures. There are controversies in the treatment of mandibular comminuted fractures. Treatment of comminuted mandibular fracture has traditionally involved closed reduction in an effort to avoid stripping periostcum from the bony segments, but rigid internal rigid fixation is used more popular at present. The extent of comminution, displacement of bony fragments and patient general conditions are important factors in decision of the treatment methods. When significant bone displacement is present, it is necessary to reduce these comminuted fragments to an anatomic, pretraumatic relationship to restore facial form and function. In these cases, ORIF allows anantomic reduction of comminuted segments as well as pretraumatic occlusion. Gentle handling of the soft tissue, rigid fixation of bony fragments and adequate immobilization are essential for reducing the complications. This is the report the incidence, causes, complications and treatment of the patients who visited our department for compound comminuted mandibular fractures.
정종철,박준아,김영운,정숭룡,이종호,류선열,Jeong, Jong-Cheol,Park, Jun-Aa,Kim, Young-Woon,Jung, Soong-Rhyong,Lee, Jong-Ho,Ryu, Sun-Youl 대한악안면성형재건외과학회 1994 Maxillofacial Plastic Reconstructive Surgery Vol.16 No.3
Tissue expansion has now been widely used in various soft tissue defects and deformities. It is to reconstruct the lesion site by providing donor tissue of the same color, texture, and similar thickness and sensation with minimal scar formation and minor donor site morbidity. It is achieved through using a temporary expander capable of accumulating normal saline. Internal pressure from expander exerts its force on the flap, which gradually expands to provide additional tissue for reconstruction. We have applied tissue expander in three patients. The first case was soft tissue loss on the left forehead. The second case was multiple scar formation on the left mandibular angle and upper cervical area. The third case was scar contraction on the right cheek. All cases have been successfully reconstructed without complications. 저자들은 1예의 전두부 연조직 결손과 2예의 경부와 안면에 형성된 다발성의 반혼구축 환자에서 조직확장술올 이용하여 양호한 두경부의 연조직 재건을 얻을 수 있었다. 다양한 연조직의 결손이나 변형에서 적절한 증례를 선택하여 올바르게 적용할 경우 조직 확장술은 유용한 재건방법이 될 수 있을 것으로 생각된다.
도로의 설치ㆍ관리의 하자로 인한 손해배상책임에 관한 고찰
정종철(Jung Jong Cheol) 국민대학교 법학연구소 2007 법학논총 Vol.20 No.1
Nowadays the public structures, especially road and highway, have great influence on national economy. In proportion to the growing personal reliance to the public structures, the compensation of personal loss related to the establishment and management of the public structures is getting more and more important issue. Once car accident happens, it must be decided that who will compensate for the damage. In special, the accident owing to defective road situation will cause many possible problems about compensation because of the diverse interpretation of the State Tort Liability Act. There are mainly two problems in compensation. One is that "Can the loss of the accident owing to defective road be compensated for?". This will be important thing to the sufferer. The law related to this is the State Tort Liability Act Article 5, but there is no clear interpretation about that case, until now. The other is that "As the compensation of the sufferer is guaranteed by the State Tort Liability Act Article 5, what is the direct institution to have responsibility to compensate for?". In fact, when the car accident happens owing to defective road, the sufferer must go to law against somebody, but most of them don't know who is the direct indemnifier. Therefore there are many cases that the sufferers don't receive the reparation because of the wrong selection of a defendant. To solve this problem, the State Tort liability Act Article 6 is prescribing that not only the man who establishes and manages road and highway but also who bears the expense all have to compensate for the damage related to public structures. But this prescription has the possibility to be interpreted variously. Besides, if someone establishes and manages the road and others bear the expense, that is to say there are two groups in connection with the road, who is the final compensator? These problems will be important issue to the local self- government. Although there are many complex problems, there is still no clear solution. Therefore this thesis will consider many problems related to car accident owing to defective road, and especially investigate the interpretation of the State Tort liability Act Article 5 and 6. to find the suitable and clear solution.
이종호(Jong Ho Lee),서구종(Gu Jong Seo),박광(Kwang Park),박기덕(Gi Deog Park),정무강(Moo Gang Chung),정중재(Jung Jae Jeong),정종철(Jong Cheol Jeong),박준아(Joon Ah Park) 대한구강악안면외과학회 1993 대한구강악안면외과학회지 Vol.19 No.3
We analysed the clinical datas obtained from 10 patients who underwent reconstructive microsurgery using venous autografts(male, 9 : female, 1 : range of age, 18-70 years old). The autologous veins were used to lengthen the pedicle in 6 cases. In the rest 4 cases, we used the autologous veins to reconstruct the defect of radial artery, lacrimal canaliculi, Wharton s duct and to guide the nerve regeneration, respectively. A length of long(7 cases) or small(3 cases) saphenous veins were harvested. Various types of venous graft with long saphenous vein and its branches(Medial femoral vein and external pudendal vein) were designed, including Y-, Loop- and interpositioning-type. These designs were very helpful when there were inadequate pedicle length, unsuitable recipient vessels. We could observe the patency in the repaired Wharton s duct and lacrimal canaliculi with good salivation and lacrimal drainage. Sensory was restored with the venous tubular guide. In conlusion, venous autografting was most reliable(success rate 90%) and useful technique that might be used in the field of oral and maxillofacial surgery.
김정석(Kim Jung Seok),정종철(Jeong Jong Cheol),한정우(Han Jeong Woo),한성호(Han Seong Ho),조세현(Cho Sae Hyun),서승일(Seo Sung Il) 한국철도학회 2006 한국철도학회 학술발표대회논문집 Vol.- No.-
This paper explains the fatigue test for a composite train carbody. The composite carbody with length of 23m was manufactured as a sandwich structure composed of a aluminium honeycomb core and woven fabric carbon/epoxy face. In order to evaluate fatigue strength of the composite carbody, the carbody was excited by two 50-ton capacity hydraulic actuators. The excitation frequency was determined by natural frequency evaluation test under full weight condition. The test was conducted for 2x106cycles. During the fatigue test, fatigue cracks of the composite carbody and steel underframe were inspected by the nondestructive tests using X-ray and liquid penetrant. From test tests, no fatigue crack was detected.